What is a characteristic of a mapped SAN LUN (RDM) set to Physical Compatibility
mode?

A.
allows the guest operating system to access the hardware directly

B.
allows the VMkernel to natively access NTFS data on the LUN

C.
allows the virtual machine to use VMware snapshots

D.
allows the LUN to be made into a template

Explanation:
Fibre Channel SAN Configuration Guide ESX 4.0 ESXi 4.0 vCenter Server 4.0, page 59.
Physical compatibility mode allows the guest operating system to access the hardware
directly